Meaning ofpropellantin English

Noun

1. fuel for engines or vehicles; reaction mass
   The spacecraft used a special propellant to increase its speed.
2. compressed gas in aerosol containers
   The hairspray contains a propellant that helps it come out quickly.
3. explosive in ammunition (cartridges, etc.)
   The firearm uses a propellant to expel the bullet from the cartridge.